NDLI: Robot Sensors and Sound

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Robot Sensors and Sound

Content Provider	TeachEngineering: STEM curriculum for K-12
Author	Nair, Srijith Samarth, Pranit Nair, Satish S.
Copyright Year	2013
Description	Students continue to build a rigorous background in human sensors and their engineering equivalents by learning about electronic touch, light, sound and ultrasonic sensors that measure physical quantities somewhat like eyes, ears and skin. Using microphones connected to computers running (free) Audacity® software, student teams experiment with machine-generated sounds and their own voices and observe the resulting sound waves on the screen, helping them to understand that sounds are waves. Students continue to build a rigorous background in human sensors and their engineering equivalents by learning about electronic touch, light, sound and ultrasonic sensors that measure physical quantities somewhat like eyes, ears and skin. Specifically, they learn about microphones as one example of sound sensors, how sounds differ (intensity, pitch) and the components of sound waves (wavelength, period, frequency, amplitude). Using microphones connected to computers running (free) Audacity® software, student teams experiment with machine-generated sounds and their own voices and observe the resulting sound waves on the screen, helping them to understand that sounds are waves. Students take pre/post quizzes, complete a worksheet and watch two short online videos about "seeing" sound. **Note: This activity uses the retired LEGO NXT robot which is no longer available for purchase.
Language	English
Access Restriction	Open
Rights Holder	Regents of The University of Colorado Curators of The University of Missouri
Subject Keyword	Biology Life Science Physics Science and Technology Neuroscience Sound Sound Sensor Human Body Sound Wave Brain Robot Electronic Sensor Microphone
Content Type	Text
Time Required	PT45M
Education Level	Class IV Class V Class VI Class VII Class VIII
Pedagogy	Experimental Activity
Resource Type	Hands-on
Subject	Physics Biology Technical

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